102=4(7*3)+2(3*h)

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Solution for 102=4(7*3)+2(3*h) equation:


Simplifying
102 = 4(7 * 3) + 2(3h)

Multiply 7 * 3
102 = 4(21) + 2(3h)

Multiply 4 * 21
102 = 84 + 2(3h)

Remove parenthesis around (3h)
102 = 84 + 2 * 3h

Multiply 2 * 3
102 = 84 + 6h

Solving
102 = 84 + 6h

Solving for variable 'h'.

Move all terms containing h to the left, all other terms to the right.

Add '-6h' to each side of the equation.
102 + -6h = 84 + 6h + -6h

Combine like terms: 6h + -6h = 0
102 + -6h = 84 + 0
102 + -6h = 84

Add '-102' to each side of the equation.
102 + -102 + -6h = 84 + -102

Combine like terms: 102 + -102 = 0
0 + -6h = 84 + -102
-6h = 84 + -102

Combine like terms: 84 + -102 = -18
-6h = -18

Divide each side by '-6'.
h = 3

Simplifying
h = 3

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